(1-3x)+(x+2)=1
1 – 3x + x + 2 = 1
– 3x + x = 1 – 2 – 1
-2x = -2
x = 1
1.2n – 1 = 3.4 – 1n
1,2n + n = 3,4 + 1
2.2n = 4.4
n = 2
6y-(y-1)=4=5y
6y – y + 1 = 4 = 5y
6y – y – 5y = 4 – 1
0y = 3
уравнение решений не имеет
5x=(3x-3)=6x+11
5x = 3x – 3 = 6x + 11
5x – 3x – 6x = 11 – 3
-4x = 8
x = -2
(1-3x)+(x+2)=1
1 – 3x + x + 2 = 1
– 3x + x = 1 – 2 – 1
-2x = -2
x = 1
1.2n – 1 = 3.4 – 1n
1,2n + n = 3,4 + 1
2.2n = 4.4
n = 2
6y-(y-1)=4=5y
6y – y + 1 = 4 = 5y
6y – y – 5y = 4 – 1
0y = 3
уравнение решений не имеет
5x=(3x-3)=6x+11
5x = 3x – 3 = 6x + 11
5x – 3x – 6x = 11 – 3
-4x = 8
x = -2